Results 11 to 20 of about 76,326 (292)

Kaestner brackets

open access: yesTopology and its Applications, 2020
We introduce \textit{Kaestner brackets}, a generalization of biquandle brackets to the case of parity biquandles. This infinite set of quantum enhancements of the biquandle counting invariant for oriented virtual knots and links includes the classical quantum invariants, the quandle and biquandle $2$-cocycle invariants and the classical biquandle ...
Kobayashi, Forest, Nelson, Sam
openaire   +3 more sources

3D-Printed Satellite Brackets: Materials, Manufacturing and Applications

open access: yesCrystals, 2022
Brackets are the load-bearing components in a satellite. The current age of satellites comprises specific brackets that set out as a link between the bodies of the satellite, reflector parts, and feeder facilities mounted at its upper end.
Saswat Kumar Samal   +8 more
doaj   +1 more source

Extraction of Collagen and Preparation and Characterization of Nanofibers

open access: yesShipin gongye ke-ji, 2023
In order to improve the extraction rate and utilization rate of collagen in sheepskin, sheepskin collagen was extracted by acid enzyme compounding method, and collagen-based nanofibers were prepared by electrospinning technology.
Hongshuai HAN   +4 more
doaj   +1 more source

Treatment of Gunshot-Related Mandibular Fracture with Splint-Guided Reduction: Case Report

open access: yesBalkan Journal of Dental Medicine, 2021
Background/Aim: Gunshot injury-related mandibular fractures often have a complex pattern, characterized by comminution, bone loss, and soft-tissue avulsion. The management is difficult and varies between individual cases.
Kaya Demet   +3 more
doaj   +1 more source

Effect of a Desensitizing Agent on Shear Bond Strength of Ceramic Bracket on Previously Bleached Teeth

open access: yesApplied Sciences, 2023
This study aims to analyze the effect of desensitizing agents on the shear bond strength (SBS) of ceramic brackets after in-office bleaching procedures. Twenty-seven extracted premolars were equally divided into three groups (n = 9).
Muhammad Haikal Mahardhika   +3 more
doaj   +1 more source

Audio-digital recordings for surveillance in clinical trials of major depressive disorder

open access: yesContemporary Clinical Trials Communications, 2019
Ratings surveillance is used in clinical trials to assure ratings reliability of site-based scores. One surveillance method employs audio-digital recordings of site-based clinician interviews to obtain remote, site-independent scores for assessment of ...
Steven D. Targum, Christopher J. Catania
doaj   +1 more source

BRACKETS [PDF]

open access: yesInternational Journal of Geometric Methods in Modern Physics, 2013
We review origins and main properties of the most important bracket operations appearing canonically in differential geometry and mathematical physics in the classical, as well as in the supergeometric setting. The review is supplemented by some new concepts and examples.
openaire   +2 more sources

Poisson brackets and commutator brackets. I [PDF]

open access: yesProceedings of the American Mathematical Society, 1977
A previous result, that for certain problems in Hamiltonian mechanics the commutator bracket is determined by the Poisson bracket, is here extended to include certain problems in Hamiltonian field theory.
openaire   +2 more sources

The results of clinical testing of photodynamic therapy in the complex treatment of gingivitis, complicating orthodontic treatment with bracket systems. [PDF]

open access: yesMedičnì Perspektivi, 2016
In spite ofa high efficiency, the use of brackets in orthodontic patients can provoke the development of inflammatory processes in marginal periodontal tissues.
V. A. Samoylenko
doaj   +2 more sources

Shear Bond Strength at the Resin/Bracket Interface of Sandblasted Brackets with Different Aluminum Oxide Particle Size

open access: yesJournal of Orofacial Sciences, 2020
Introduction: The aim of this study was to compare the shear bond strength at the resin/bracket interface of metal brackets sandblasted with aluminum oxide particles of 25 µm, 50 µm and 110 µm.
Abad Bocangel Salcedo-Alcaychahua   +2 more
doaj   +1 more source

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